1. [-/3 Points] DETAILS TANAPCALC10 4.1.003. You are given the graph of a function f. Determine the intervals where f is increasing, constant, or decreasing. (Enter your answers using interval notation. If an answer does not exist, enter DNE.) 140 120 oo 80 60 40 20 -2 5 increasing constant decreasing Need Help? Read It Watch It 2. [-/3 Points] DETAILS TANAPCALC10 4.1.006. You are given the graph of a function f. Determine the intervals where f is increasing, constant, or decreasing. (Enter your answers using interval notation. If an answer does not exist, enter DNE.) increasing constant decreasing3. [-/9 Points] DETAILS TANAPCALC10 4.1.013. Refer to the following figure. Draw the sign diagram for f and find the relative extrema of f. -NWAU 0 3 5 7 8 9 10 11 12 x 0 f ' (x)